helper.rb in activemerchant-1.39.1

- old
+ new

@@ -3,21 +3,22 @@
     module Integrations #:nodoc:
       module BitPay
         class Helper < ActiveMerchant::Billing::Integrations::Helper
           def initialize(order_id, account, options)
             super
-            add_field('account', account)
+            @account = account
             add_field('orderID', order_id)
             add_field('posData', options[:authcode])
             add_field('currency', options[:currency])
             add_field('fullNotifications', 'true')
             add_field('transactionSpeed', options[:transactionSpeed] || "high")
             add_field('address1', options[:address1])
+
+            generate_invoice_id
           end
 
           # Replace with the real mapping
-          mapping :account, 'key'
           mapping :amount, 'price'
 
           mapping :order, 'orderID'        
           mapping :currency, 'currency'
 
@@ -32,9 +33,35 @@
                                     :zip      => 'buyerZip',
                                     :country  => 'buyerCountry'
 
           mapping :notify_url, 'notificationURL'
           mapping :return_url, 'returnURL'
+          mapping :id, 'id'
+
+          def generate_invoice_id
+            invoice_data = ssl_post(BitPay.invoicing_url)
+
+            add_field('id', JSON.parse(invoice_data.body)['id'])
+          end
+
+          def form_method
+            "GET"
+          end
+
+          private
+
+          def ssl_post(url, options = {})
+            uri = URI.parse(url)
+            http = Net::HTTP.new(uri.host, uri.port)
+            http.use_ssl = true
+
+            request = Net::HTTP::Post.new(uri.request_uri)
+            request.content_type = "application/json"
+            request.body = @fields.to_json
+            request.basic_auth @account, ''
+
+            http.request(request)
+          end
         end
       end
     end
   end
 end